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Discover how math is required for quality construction when a Master Carpenter shares his experience and expertise. This video focuses on explaining slope as rise over run and shows how slope comes into play when building homes to take math out of the classroom and into real world problem solving. This resource is part of the Math at the Core: Middle School collection.

Whether flying a plane, figuring out the size of a tiered cake, or riding your bike, slope is important! Get excited about rise over run by viewing this math lesson that walks you through a few of the many resources available to help you understand the concept of slope from that are available from PBS LearningMedia. This lesson demonstrates interactives from the Math at the Core: Middle School collection and was hosted by PBS LearningMedia and Google's Connected Classrooms.

In this video, zookeeper Michelle Hatwood of the Phoenix Zoo explains how she uses math in her work with hoofstock animals, which include antelope, deer, zebra, giraffe, and rhinoceros. In the accompanying classroom activity, students solve problems that involve calculating with and converting among metric and customary measurement units. To get the most from this lesson, students should be familiar with measurement units in the customary and metric systems and be able to use a calculator to multiply and divide decimal numbers.

Discover how math figures into the complex process of reproducing a 18th century human powered construction crane. This video focuses on explaining the way the construction team used the Pythagorean theorem to determine the precise lengths of the struts to build a working crane, taking math out of the classroom and into real world problem solving.

Listen to a master quilt maker discuss the relationship between art and mathematics as she demonstrates how the Pythagorean theorem is an important part of the pattern design process in this video from the Center for Asian American Media. This resource is part of the Math at the Core: Middle School Collection.

Visualize a proof to the Pythagorean theorem at the National Museum of Mathematics. This video focuses on modeling the concepts behind the Pythagorean theorem with manipulatives. This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers.

Learn how the Pythagorean theorem can help you calculate the distance of a hike through the mountains. This video focuses on breaking down an irregular figure into a series of right triangles so you can calculate the actual distance of the hike, then use similar steps to calculate the distance of the hike at Perilous Peak to compare the two hiking adventures.

This media gallery was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers and is part of the Math at the Core: Middle School collection.

Learn why the Pythagorean theorem works for finding side lengths of right triangles. This video focuses on modeling what the Pythagorean theorem actually means and why it will find the missing side of a right triangle. This video was submitted through the Innovation Math Challenge, a contest open to professional and nonprofessional producers.